University:
California State University, Northridge
Course:
CHEM 101 | General Chemistry I
Academic year:

2024
Views:

254

Pages:

8
Author:

Samuel K

Chapter 7: Measurement and Stoichiometry AtDue Apr 3 at 11:59pmPoints 15Questions 15Available Mar 28 at 12am - Apr 3 at 11:59pmTime Limit NoneThis quiz is no longer available as the course has been concluded.Question 11 ptsWhat is the SI unit for length?MeterGramSecondLiterQuestion 21 ptsWhat is the SI unit for mass?MeterGramSecondLiter Question 31 ptsWhat is the SI unit for time?MeterGramSecondLiterQuestion 41 ptsWhat is the SI unit for volume?MeterGramSecondLiter Question 51 ptsWhat is the difference between accuracy and precision?Accuracy is the closeness of a measurement to its true value,while precision is the reproducibility of multiple measurements.Accuracy is the reproducibility of multiple measurements, whileprecision is the closeness of a measurement to its true value.Accuracy and precision are the same thing.Accuracy and precision are not relevant in measurements.Question 61 ptsWhat is the formula for density?Density = Mass/VolumeDensity = Volume/MassDensity = Mass + VolumeDensity = Mass X Volume Question 71 ptsWhat is the difference between an extensive property and anintensive property?Extensive properties depend on the amount of substance, whileintensive properties do not.Intensive properties depend on the amount of substance, whileextensive properties do not.Extensive properties and intensive properties are the same thing.Extensive and intensive properties are not relevant inmeasurements.Question 81 ptsWhat is stoichiometry?The study of measurementThe study of chemical reactionsThe study of the elementsThe study of atomic structure Question 91 ptsWhat is the mole?A small rodentA unit of measurement in chemistryA type of fruitA unit of volumeQuestion 101 ptsHow many atoms are in one mole of carbon (C)?6.02 X 10 ²312124 Question 111 ptsWhat is Avogadro's number?6.02 X 10 2312124Question 121 ptsHow many moles of water molecules are in one mole of glucose(CoH12O6)?6.02 X 102311224 Question 131 ptsWhat is the molar mass of H2O?18 g/mol20 g/mol22 g/mol24 g/molQuestion 141 ptsHow many moles are in 36 grams of water (H2O)?1 mole2 moles3 moles4 moles Question 151 ptsWhat is the concept of limiting reactants in a chemical reaction?The reactant that limits the reaction and is completely consumedThe reactant that is in excess and is left overThe reactant that determines the speed of the reactionThe reactant that is most reactive